baber/WOPTO huggingface dataset:
Patent JP-2004280752-A (JP)
Title: Date storage device, management information updating method for data storage device, and computer program
Inventor: NAKANISHI KENICHI
IPC: G06F12/08
Filed: 2003-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data storage device and management information updating method with high durability to a writing error involved by updating of management information.  <P>SOLUTION: File management information such as FAT that is the address management information of a flash memory is stored in the mangement information area of a memory, a block set consisting of two blocks is set as a storage block of FAT constitution data, and each page of the two blocks constituting the block set is alternately applied to write updating FAT information. Since updating information is written in one block constituting the block set while retaining FAT information just before updating in the other block, a processing using the FAT information just before updating can be performed even in the event of a writing error of updating management information.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004285586-A (JP)
Title: Diaphragm
Inventor: NAKANO KENZO
IPC: E04B1/58
Filed: 2003-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a diaphragm capable of constructing a column-beam joint structure excellent in strength and reliability.  <P>SOLUTION: The diaphragm 1 is used for a joint part of a square steel pipe column 10 and an H-shaped steel beam member 11. The square steel pipe column 10 is provided with a joint part 3 having a square joint hole 2 through which the square steel pipe column 10 can penetrate, a plurality of protrusions 4 formed at the outer periphery of the joint part 3, and a plane part 5 connected at the tip ends of the respective protrusions 4. The protrusion 4 and the plane part 5 are connected together by welding 7 with a strap 6. A plurality of bolt holes 13 for connecting to the flange 11f of the H-shaped steel beam 11 are formed in the respective plane parts 5. The joint part 3 and the protrusion 4 are made of forged steel, the plane part 5 is made of a steel plate, the thickness 4t of the protrusion 4 is thinner than the thickness 3t of the joint part 3, and thicker than the thickness 5t of the plane part 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004286850-A (JP)
Title: Optical scanner and image forming device
Inventor: MIYATAKE NAOKI
IPC: B41J2/44
Filed: 2003-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact optical scanner capable of obtaining a stable picture quality against environmental change in the optical scanner equipped with a plurality of light source means arranged at intervals in a subscanning direction, a deflection means for deflecting each light beam from the light source means in one lot and performing the main scanning, and an image forming means for making each light beam form an image on each corresponding surface to be scanned, and also to provide an image forming device using the optical scanner.  <P>SOLUTION: The optical scanner is equipped with a beam joining means (reflection mirrors 215, 216, 217) which turns back at different positions one or more light beams from the plurality of light sources (201, 202, 203, 204) and which approximates or makes to coincide, in the main scanning direction, the optical paths entering a deflection means (213). In addition, the optical scanner is structured to contain, as an image-forming means on the surface to be scanned, a lens 218 in which the power is zero in the subscanning direction shared by the light beams from the plurality of light sources.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004288440-A (JP)
Title: Switch for electronic equipment, electronic equipment, and manufacturing device for electronic equipment
Inventor: TADA HIROAKI
IPC: H01H89/00
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a switch for an electronic equipment with which it is easy to make a thrust operation of an operating button, even in the case one is fitted to an electronic equipment with a thickness of its operating face side reduced.  <P>SOLUTION: The operating button 50 which can be arranged at an operating face side of the equipment and a plurality of switch main bodies 51, 52 each of which can be contacted by thrusting of a plurality of positions opposing each other pinching the center part of a front thrusting face 50P of the operating button 50 are provided, and the front thrusting face 50P of the operating button 50 are arranged aslant against an alignment plane P where these switch main bodies 51, 52 are aligned. Since a plane shape of the operating button 50 does not have to be made small even if the thickness of the operating face side of the electronic equipment is made small, it becomes easy to make a thrust operation of the operating button 50.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004287014-A (JP)
Title: Projection display apparatus
Inventor: GOTO MASANORI
IPC: G03B21/00
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a projection display apparatus in which the size of the pixel grid of a light valve can be switched.  <P>SOLUTION: The projection display apparatus is equipped with: a light source lamp 1; a light valve 5 which forms an image; a birefringent plate 7 which spatially separates the exiting light; and a projection lens 9 which enlarges and projects the image onto a screen. The mount member 8 where the birefringent plate 7 is fixed is slidably fixed to the optical base 10 with a holding member 13. By sliding the mount 8, the birefringent plate 7 can be moved to the outside of the exiting light from the light valve 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004286645-A (JP)
Title: Multiwavelength light source apparatus
Inventor: YAMADA MASAYUKI
IPC: G01J3/10
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact, lightweight, and low-cost multiple wavelength light source apparatus.  <P>SOLUTION: The multiwavelength light source apparatus 1 is provided with a diffraction grating 14 for spatially dispersing light; a plurality of light sources 11 arranged in the direction of dispersion of the diffraction grating for emitting lights each containing light of a desired wavelength toward the diffraction grating 14; a lens 13 arranged between the diffraction grating 14 and the light sources 11 for making the lights emitted by the light sources 11 parallel and guiding them to the diffraction grating 14 and condensing lights diffracted and reflected at the diffraction grating 14; and an emergent slit 16 for passing only light having a specific dispersion width among the lights condensed by the lens 13. The emergent slit 16 is arranged within an angle of distribution of the plurality of light sources 11.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004288021-A (JP)
Title: Memory access controller
Inventor: TAKEMOTO YUSUKE
IPC: G06F13/38
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently and simply control a memory access by improving bus bandwidth of a memory without impairing the performance of a processor or a DMA controller.  <P>SOLUTION: An access distributing device 106 distributes access requests from a plurality of bus masters 101 to 104 to buffering devices 107 to 110 to accept the access requests as an access request job preferentially. A scheduling device 111 performs access control of the access request job accepted by the buffering devices 107 to 110 to an external memory device 105 so as to be subjected to a multi-bank operation. This enables the plurality of bus masters 101 to 104 issue the access request jobs one after another without delay.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003292861-A (JP)
Title: Thermal inkjet ink producing reduced kogation
Inventor: BRUINSMA PAUL J
IPC: C09D11/00
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermal inkjet ink which removes kogation from a thermal inkjet printer.  <P>SOLUTION: A copper salt and a copper organic complex are added to the thermal inkjet ink. By means of addition of the copper thereto, a copper ion aids in removing a koga on a surface of a resistance element.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004292091-A (JP)
Title: Image forming apparatus
Inventor: KONO MASANOBU
IPC: H04N1/00
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To highly precisely detect the sizes of documents fed by an automatic document feeder.  <P>SOLUTION: In this image forming apparatus with the automatic document feeder, documents placed on a document placement tray are carried one by one to a document image reading position and the documents after read are discharged to a document discharge tray. A plurality of document size detecting sensors for optically detecting the sizes of the documents fed by the automatic document feeder are provided on the automatic document feeder or on both the automatic document feeder and the document image reading means and constituted so that the reflecting concentrations of reflecting planes to which the plurality of document size detecting sensors are opposed are differentiated for every document size detecting sensor.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004291777-A (JP)
Title: Hydraulic brake device for vehicle
Inventor: KUSANO AKIHITO
IPC: B60T8/00
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To improve the safety of a vehicle by obtaining sufficient braking force even if bottoming occurs in view of the possibility that the bottoming in which a master piston of a master cylinder makes full strokes while braking force is lowered by a vapor lock phenomenon, etc. occurs and the braking force cannot be heightened any more, in a hydraulic brake device for a vehicle, which generates the braking force by regulating hydraulic pressure supplied from a hydraulic pressure source into a value according to the braking operation amount by a pressure regulating valve, outputting it and operating the master cylinder by the output hydraulic pressure of the pressure regulating valve introduced into a pressure chamber.  <P>SOLUTION: The output hydraulic pressure of the pressure regulating valve 3 and output hydraulic pressure of the master cylinder 4 are detected by a pressure sensor 13 and a master cylinder pressure sensor 14 and are compared by a bottoming detection means 15. The output hydraulic pressure of the master cylinder 4 does not satisfy a predetermined relation and the bottoming detection means 15 determines that the bottoming occurs, in this case when the output hydraulic pressure of the master cylinder is equal to or larger than predetermined first hydraulic pressure, a solenoid valve 17 is opened and a solenoid valve 18 is closed, so that the output hydraulic pressure of the pressure regulating valve 3 is supplied to a second hydraulic pressure system having wheel cylinders 7<SB>-3</SB>, 7<SB>-4</SB>.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004296226-A (JP)
Title: Organic electroluminescent element and its manufacturing method
Inventor: IKEDA KOJI
IPC: H05B33/22
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic EL element which can demonstrate in good balance the characteristics as the organic EL element and its manufacturing method.  <P>SOLUTION: The organic EL element 11 is constructed by arranging an organic layer between an anode 12 and a cathode 13, and the organic layer is constituted of a hole injecting layer 14, a hole transporting layer 15, and an electron transporting luminous layer 16 successively from the anode 12 side. The hole transporting layer 15 out of the luminous layer is constituted of a mixture of polyvinylcarvazole (PVK) which is a polymeric material having layer stability and 1,3,5-tris [4-(diphenylamino)phenyl] benzene (TDAPB) which is a methoxy-substituted low molecule material having carrier transportation nature. It is preferable that the mixing ratio of the polymeric material and the low molecule material is 1:0.05-20 in weight ratio.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004296777-A (JP)
Title: Device and method for work suction
Inventor: BABA HIROYUKI
IPC: B65G49/07
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To realize a work suction device and a work suction method by which a wafer can be sucked surely in a short time by a constitution using a Bernoulli's chuck.  <P>SOLUTION: A work suction means (a Bernoulli's pan section 1 and a Bernoulli's arm 2) sucks the wafer 14 on transfer, and a moving means (a moving unit 3 and a speed variable actuator 10) moves the work suction means in the carrying direction of the wafer 14. A work detecting section 4 detects the wafer 14 during a carrying at a specified place and outputs a detecting signal, and a control unit 5 controls the moving means when the control unit receives the detecting signal, moves the work suction means together with the wafer 14 during the carrying, and operates the work suction means. Accordingly, a complete suction receiving operation is ensured even when the Bernoulli's chuck or the like is adopted by which the work suction means is difficult to conduct the suction receiving operation.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004294895-A (JP)
Title: Electro-optic device housed in packaging case, projection display device, and packaging case
Inventor: KOJIMA HIROYUKI
IPC: G02F1/13
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To make it possible to display higher-quality images and stably operate an electro-optic devices as a whole by preventing the occurrence of significant differences in the characteristics between a plurality of the electro-optic devices constituting a projection display device.  <P>SOLUTION: The electro-optic device housed in a packaging case is equipped with the packaging case (601) which consists of a plate (610) and a cover (620) and in which the electro-optic device is housed by holding at least a part of the peripheral region existing on the periphery of the image display region of a liquid crystal panel (500) by at least either of the plate and the cover. The cover is equipped with a cover body (623) and surface area increasing means (622, 624, and 628) for increasing its surface area. The surface area increasing means are made attachable and detachable to and from the cover body.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004299416-A (JP)
Title: Information transmitting system
Inventor: INATOMI TOSHIFUMI
IPC: G06Q10/00
Filed: 2003-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information transmitting system which can quickly and surely transmit information to a conductor on a specified train by simply specifying the train, and can quickly and surely transmit the information without mistake even if change in the train schedule or shifting of the conductor occurs.  <P>SOLUTION: This information transmitting system is constituted of a portable information terminal unit 1, an information transmitting server 2 and an information terminal unit 3. Transmitting information is transmitted from the information terminal unit 3 to the information transmitting server 2, and the information transmitting server 2 keeps the received transmitting information in a recording means 4. An identification number in crew information having the same train number as the train number in the transmitting information is specified, and the transmitting content which is kept in the recording means is transmitted to the portable information terminal unit 1 corresponding to the specified identification number. Therefore, by simply specifying the train, the information can be transmitted to the conductor on the train without specifying the conductor. That is, the information can be transmitted any time to the conductor who is going back and forth in the specified train.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004301522-A (JP)
Title: Temperature detector
Inventor: KATO HISAKIMI
IPC: F16C17/24
Filed: 2003-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a temperature detector capable of highly accurately and speedily detecting temperature rises in a lubricant at a rotating part in a rotation drive mechanism.  <P>SOLUTION: The temperature detector is constituted in such a way that a rotating shaft 1 may be rotatably supported at a bearing 2 with the external circumferential surface 11 of the rotating shaft 1 sliding and in contact with the internal circumferential surface 21 of the bearing 2. A lubricating oil 8 is filled in a slide contact surface between the external circumferential surface 11 of the rotating shaft 1 and the internal circumferential surface 21 of the bearing 2. A temperature detector 6 is arranged in a recession part 22 formed in the internal circumferential surface 21 of the bearing 2. The temperature detector 6 is provided with a sensor chip 61; a soft material 32 in which a communication path for temperature detection and for making part of the lubricating oil 8 flowing in the rotating direction A of the rotating shaft 1 flow to the downstream side of the sensor chip 61 from the upstream side of the sensor chip 61 via the sensor chip 61 is formed; and an operation part 10 for inputting the temperature of the lubricating oil 8 detected by the sensor chip 61 and determining whether abnormalities have occurred in the rotating shaft 1 or in the bearing 2 or not on the basis of the temperature.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004302604-A (JP)
Title: Folding keyboard
Inventor: MOCHIZUKI ISAO
IPC: G06F3/02
Filed: 2003-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a folding keyboard for mutually stably and smoothly performing rotation operation in mutually rotating two keyboard units around a turning shaft by coupling the two keyboard units through the turning shaft, and turnably supporting them through two links coupled mutually turnably.  <P>SOLUTION: The keyboard turnably supports the link 93 by a support screw 123 fitted loosely to a first slot 117 in a support piece 102 of a cover plate 100, turnably supports the link 96 by a support screw 125 fitted loosely to a second slot 118 in the support piece 102 of the cover member 100, and mutually turnably couples the links 93 and 96 with a coupling shaft 98 of a coupling member 97.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004302738-A (JP)
Title: Communication equipment between road side and vehicle
Inventor: TSUDA YOSHIAKI
IPC: G07B15/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide communication equipment between road side and a vehicle for preventing erroneous communication concerning the communication equipment between the road side and the vehicle to be used in an underground parking lot or a multistory parking lot without necessity to stick a radio wave absorptive body.  <P>SOLUTION: The equipment includes a road side antenna 2a installed on the ceiling for communication with an on-vehicle apparatus, a reception antenna 2b installed also on the ceiling for receiving radio wave from a range wider than that of the road side antenna 2a, and a communication control unit for receiving the signal outputted from a gate circuit where a part for detecting communication between the road side and the vehicle which consists of a gate circuit for outputting a signal only when the subtracted value of the signal received on the antenna 2b from that on the road side reception antenna 2a is a positive value. A communication signal between the road side and the vehicle is detected only in a desired communication area by subtracting the reception signal B of the reception antenna 2b from the reception signal A of the road side antenna 2a and outputting a signal only when the result is a positive value. When communication is performed by a DSRC between the road side and the vehicle in a place with the ceiling such as in a tollbooth or in the underground or multistory parking lot, etc., the problem that erroneous communication cannot be prevented unless sticking the radio wave absorptive body on the ceiling in the case of an ETC or a parking lot system applying the ETC using the communication equipment between the road side and the vehicle.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004301714-A (JP)
Title: Electronically controlled mechanical timepiece and method for controlling electronically controlled mechanical timepiece
Inventor: SHIMIZU EISAKU
IPC: G04C10/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronically controlled mechanical timepiece used to perform rate measurement during a regular mode and actualizing circuit miniaturization as well as cost reduction.  <P>SOLUTION: This electronically controlled mechanical timepiece is equipped with a rotation controller 50 for controlling the rotation cycle of a generator by controlling a switch so as to bring about an ON state where the switch disposed between the terminals of the generator is on or an OFF state where the switch is off. The controller 50 causes rate measurement pulses to be outputted by controlling the ON state and OFF state of the switch at preset time points with respect to brake releasing time for changing the switch from an ON state to an OFF state. The switch is briefly turned on or off to pass a current through a coil of the generator, thereby outputting the measurement pulses. This makes it possible to dispense with a switch for passing a current through the coil from another power supply, and to carry out circuit miniaturization during the regular mode.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004304020-A (JP)
Title: Simulation method of dielectric breakdown protective circuit
Inventor: ANZAI HIROMI
IPC: H01L21/336
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simulation method for quickly and accurately analyzing the dielectric breakdown protective resistance of a dielectric breakdown protective circuit.  <P>SOLUTION: A dielectric breakdown protective element constituted of an insulation gate type field effect transistor is replaced with an equivalent circuit using a bipolar transistor, and a current flowing from the drain of the dielectric breakdown protective element to a substrate is expressed by a first current source by an impact ionization current and a second current source by the current based on an electron / hole pair thermally generated in a depletion layer. The first current source is expressed by the product of a drain current in the case without impact ionization, a coefficient accompanying the impact ionization and a function for adjustment. The function for the adjustment is fixed when a drain voltage is smaller than a prescribed value and decreases when the drain voltage is larger than the prescribed value. With the first and second current sources as input, circuit simulation is repeatedly executed until desired dielectric breakdown protective resistance is obtained while changing the function for the adjustment.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004298516-A (JP)
Title: Fire prevention system for closed space
Inventor: NOMI TAKASHI
IPC: A62C2/04
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a fire from occurring in a closed space being comparatively sealed in which an inflammable substance is stored.  <P>SOLUTION: This fire prevention system for a closed space is equipped with a first suction means which sucks air in the closed space being comparatively sealed in which the inflammable substance is stored, and a first combustion means which acquires an inflammable gas and air being rich in carbon dioxide wherein oxygen is reduced, by burning the air. The fire prevention system for a closed space is also equipped with a first cooling means which cools the air being rich in carbon dioxide, and a first fire prevention device having a first circulating passage which feeds the air being rich in carbon dioxide into the closed space.  <P>COPYRIGHT: (C)2005,JPO&NCIPI